Basis of Presentation and Liquidity (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013 city country	Jun. 30, 2012	Jun. 30, 2013 segment room enterprise city country	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011
Organization, Presentation and Liquidity [Line Items]
Number of different enterprises to which company delivers service (more than)			1,000
Number of countries in which company operates (more than)	96		96
Number of video conference rooms (more than)			4,000
Number of cities in which company operates	1,300		1,300
Number of operating segments			1
Cash	$ 2,804,000	$ 1,689,000	$ 2,804,000	$ 1,689,000	$ 2,218,000	$ 1,818,000
Working capital	651,000		651,000
Restricted cash	457,000		457,000
Net loss	(150,000)	248,000	(2,135,000)	420,000
Net cash provided by operating activities			1,354,000	297,000
Current portion of long-term debt	1,317,000		1,317,000		1,397,000
Interest payable, current	1,091,000		1,091,000
Preferred stock dividend accrual (quarterly)			105,000
Balance Required to Pay Dividends [Member]
Organization, Presentation and Liquidity [Line Items]
Cash	4,176,000		4,176,000
Revolving Credit Facility [Member] | Comerica Bank [Member]
Organization, Presentation and Liquidity [Line Items]
Revolving loan facility, unused borrowing capacity	1,000,000		1,000,000
Revolving Credit Facility [Member] | Comerica Revolver [Member] | Comerica Bank [Member]
Organization, Presentation and Liquidity [Line Items]
Loans payable	500,000		500,000		780,000
Debt [Member] | Comerica Revolver [Member] | Comerica Bank [Member]
Organization, Presentation and Liquidity [Line Items]
Loans payable	$ 817,000		$ 817,000